Supplier Page from Thermo Fisher Scientific for 1,4-Benzenedithiol, 97%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific